CN110374837A - Bladeless pump - Google Patents
Bladeless pump Download PDFInfo
- Publication number
- CN110374837A CN110374837A CN201910748689.9A CN201910748689A CN110374837A CN 110374837 A CN110374837 A CN 110374837A CN 201910748689 A CN201910748689 A CN 201910748689A CN 110374837 A CN110374837 A CN 110374837A
- Authority
- CN
- China
- Prior art keywords
- pump housing
- pump
- cavity
- liquid
- bladeless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 210000003934 vacuole Anatomy 0.000 claims abstract description 40
- 238000004880 explosion Methods 0.000 abstract description 5
- 238000005086 pumping Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/20—Other positive-displacement pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
Abstract
The present invention relates to hydraulic machinery fields, in particular to a kind of bladeless pump.Bladeless pump includes vacuole generator and the pump housing;Vacuole generator is arranged on the pump housing, and vacuole is generated in the pump housing for making;The entrance of the pump housing is provided with the first check valve, can only enter in the pump housing for controlling liquid;The outlet of the pump housing is provided with second one-way valve, can only be discharged out of the pump housing for controlling liquid.The present invention manufactures bubble by vacuole generator in the pump housing, and the first check valve is arranged in the entrance of the pump housing, second one-way valve is arranged in the outlet of the pump housing, so that liquid can only enter the pump housing from entrance, also the pump housing can only be discharged from outlet.In vacuole explosion time, the inside of the pump housing generates larger pressure, liquid is discharged from the outlet of the pump housing, after bubble explosion, the inside of the pump housing generates biggish negative pressure, and the pump housing can suck liquid from outside by entrance, and then realize that liquid is pumping intracorporal movement, rotary part is not needed, ensure that the leakproofness and stability of pump.
Description
Technical field
The present invention relates to hydraulic machinery fields, in particular to a kind of bladeless pump.
Background technique
Pump is the pressure energy for converting the mechanical energy of prime mover to fluid and the device of kinetic energy, common are water pump and hydraulic
Pump, as a kind of liquid transporting apparatus, pump plays important role in the fluid machineries such as hydraulic, engineering machinery.
The type of common pump includes axial-flow pump, centrifugal pump, plunger pump, gear pump etc., the core element of all said pumps
All include rotary part, due to rotary part presence and sealing element it is unstable, easily cause under liquid leakage, efficiency
The problems such as drop, environmental pollution, it is most important that rotary part difficulty of processing is big, maintenance cost is high.
Summary of the invention
The purpose of the present invention is to provide a kind of bladeless pumps, can be mentioned by vacuole generator to intracorporal liquid is pumped
For mobile power, rotary part is not needed, ensure that the leakproofness and stability of pump.
The embodiment of the present invention is achieved in that
A kind of bladeless pump comprising vacuole generator and the pump housing;
The vacuole generator is arranged on the pump housing, generates vacuole in the pump housing for making;
The entrance of the pump housing is provided with the first check valve, can only enter in the pump housing for controlling liquid;
The outlet of the pump housing is provided with second one-way valve, can only be discharged out of described the pump housing for controlling liquid.
In preferred embodiments of the present invention, the pump housing includes level-one cavity and secondary cavity;
The level-one cavity and the secondary cavity are arranged in series.
In preferred embodiments of the present invention, the level-one cavity is different with the cross-sectional area of the secondary cavity.
In preferred embodiments of the present invention, the pump housing further includes three-level cavity;
The level-one cavity, the secondary cavity and the three-level cavity are sequentially connected in series setting.
In preferred embodiments of the present invention, the vacuole generator includes power supply, anode electrode and negative electrode;
The anode electrode and the negative electrode are arranged in the pump housing;
The anode electrode and the negative electrode are oppositely arranged, and are set between the anode electrode and the negative electrode
It is equipped with gap;
The anode electrode and the negative electrode are connect with the power supply.
In preferred embodiments of the present invention, the power supply is arranged outside the pump housing, by connecting line respectively with it is described
Anode electrode is connected with the negative electrode.
In preferred embodiments of the present invention, the width in the gap between the anode electrode and the negative electrode
For 0.01mm-10mm.
In preferred embodiments of the present invention, the axis of the pump housing passes through the gap.
In preferred embodiments of the present invention, the power supply is the pulse power.
In preferred embodiments of the present invention, the power supply is adjustable DC power supply.
The beneficial effect of the embodiment of the present invention is:
Bubble is manufactured in the pump housing by vacuole generator, the first check valve is arranged by the entrance in the pump housing, in the pump housing
Outlet second one-way valve is set so that liquid can only enter the pump housing from entrance, also the pump housing can only be discharged from outlet.It is quick-fried in vacuole
When fried, the inside of the pump housing generates larger pressure, and then liquid is discharged from the outlet of the pump housing, after bubble explosion, the pump housing
Inside due to the discharge of liquid and crumbling and fall for bubble, and generate biggish negative pressure, the pump housing can suck liquid from outside by entrance
Body, and then realize and provide mobile power to intracorporal liquid is pumped by vacuole generator, rotary part is not needed, ensure that pump
Leakproofness and stability.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Secondary structure schematic diagram when Fig. 1 is the speedup function of bladeless pump provided in an embodiment of the present invention;
Secondary structure schematic diagram when Fig. 2 is the function of increasing pressure of bladeless pump provided in an embodiment of the present invention;
Tertiary structure schematic diagram when Fig. 3 is the speedup function of bladeless pump provided in an embodiment of the present invention.
In figure:
1: power supply;2: positive lead;3: negative lead;4: the first check valves;5: level-one cavity;6: secondary cavity;
7: second one-way valve;8: negative electrode;9: anode electrode;10: the pump housing;11: three-level cavity.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
1- Fig. 3 with reference to the accompanying drawing elaborates to some embodiments of the present invention.In the absence of conflict,
Feature in following embodiments and embodiment can be combined with each other.
A kind of bladeless pump comprising vacuole generator and the pump housing 10;Vacuole generator is arranged on the pump housing 10, for making
Vacuole is generated in the pump housing 10;The entrance of the pump housing 10 is provided with the first check valve 4, can only enter in the pump housing 10 for controlling liquid;
The outlet of the pump housing 10 is provided with second one-way valve 7, can only be discharged out of the pump housing 10 for controlling liquid.
Cavitation is to form the process of vacuole lower than hold-up vapour pressure when liquid local pressure, and vacuole behavior includes just
Life develops and crumbles and fall.The behavior of vacuole can cause the flowing of surrounding liquid to form microjet, the flow direction of liquid and week
It is directly related to enclose constraint condition, when vacuole is when nozzle position occurs, cavitation bubble crumbles and fall jet stream can be towards in pipeline.Vacuole power
The vacuole behavior being related in pipeline is learned, when eccentric position of the vacuole in rigid conduit is generated and crumbled and fall, due to two sides liquid
Asymmetry caused by momentum imbalance, the jet stream of crumbling and fall induced in pipe is mobile towards center position.It is penetrated caused by vacuole accordingly
Flow Behavior is the ideal process for conveying liquid.
According to above-mentioned thought, in the present embodiment, by vacuole generator, can be generated in the inside of the pump housing 10 empty
Bubble realizes the conveying of liquid in the empty pump housing 10 using this process of vacuole come into being, develop and crumbled and fall.
Detailed process is as follows:
When vacuole generator generates bubble in the pump housing 10, due to the generation of bubble, so that gas and liquid in the pump housing 10
The total volume of body increases, and greater than the internal capacity of the pump housing 10, so that 10 internal pressure of the pump housing is greater than external pressure, and then can will pump
Liquid inside body 10 is released by second one-way valve 7, due to the effect of the first check valve 4, can be avoided the liquid in the pump housing 10
Body is from inlet return;When bubble is contacted with liquid, under the action of low temperature, when crumbling and fall, the pressure inside the pump housing 10 reduces, and small
In external pressure, so that suction is generated relative to outside inside the pump housing 10, and due to the effect of second one-way valve 7, it can be avoided
The liquid of the outlet of the pump housing 10 discharge is returned, so that outside liquid can only be by the first check valve 4 of entrance to the pump housing 10
Portion.
It repeats the above process, and then is formed and enter liquid inside the pump housing 10 from the entrance of the pump housing 10, then pass through the pump housing
10 outlet discharge, and under the action of the first check valve 4 and second one-way valve 7, it can only be irreversibly delivered, realize pump
Liquid conveying function.
Specifically, in the present embodiment, the first check valve 4 and second one-way valve 7 are spring check valve.
It should be pointed out that the first check valve 4 and second one-way valve 7 can be spring check valve, but its not only office
It is limited to spring check valve, can also be other kinds of check valve, such as can also be gravity type, swing type or plastic diaphragms
Formula etc., that is to say, that as long as it can be realized one-way flow of the liquid in the pump housing 10.
It may also be noted that in the present embodiment, the type of the first check valve 4 and second one-way valve 7 be it is identical,
It is also possible to be set as different types of check valve, as long as can be realized one-way flow of the liquid in the pump housing 10.
Specifically, in the present embodiment, anode electrode 9 and negative electrode 8 are all good conductors.
More specifically, electrode material is copper, aluminium etc..
In preferred embodiments of the present invention, the pump housing 10 includes level-one cavity 5 and secondary cavity 6;Level-one cavity 5 and second level
Cavity 6 is arranged in series.
In the present embodiment, the pump housing 10 is divided for two parts, respectively level-one cavity 5 and secondary cavity 6, specifically, empty
Bubble generator is connect with level-one cavity 5, and vacuole generator is enabled to generate bubble in level-one cavity 5.
Two cavitys are set by the pump housing 10, can realize different functions by different cavitys.
In preferred embodiments of the present invention, level-one cavity 5 is different with the cross-sectional area of secondary cavity 6.
Specifically, in the present embodiment, the cross section of level-one cavity 5 and secondary cavity 6 is circle, and diameter is different,
So that cross-sectional area is different, and then realize different functions.
More specifically, the bubble that vacuole generator generates is in level-one cavity 5, as shown in Figure 1, working as the straight of level-one cavity 5
When diameter D1 is greater than the diameter D2 of secondary cavity 6, bladeless pump of the invention can generate speedup function;As shown in Fig. 2, working as level-one chamber
When the diameter D1 of body 5 is less than the diameter D2 of secondary cavity 6, bladeless pump of the invention can generate function of increasing pressure.
In preferred embodiments of the present invention, as shown in figure 3, the pump housing 10 further includes three-level cavity 11;Level-one cavity 5, two
Grade cavity 6 and three-level cavity 11 are sequentially connected in series setting.
It when two-stage cavity is not able to satisfy actual flow or pressure demand, can suitably increase cavity series, such as increase three-level
Level-one cavity 5, secondary cavity 6 and three-level cavity 11 are arranged in series by cavity 11.
That is, cavity series is more, speedup or supercharging effect will be more obvious.
In preferred embodiments of the present invention, vacuole generator includes power supply 1, anode electrode 9 and negative electrode 8;Anode
Electrode 9 and negative electrode 8 are arranged in the pump housing 10;Anode electrode 9 and negative electrode 8 are oppositely arranged, and anode electrode 9 and negative
Gap is provided between pole electrode 8;Anode electrode 9 and negative electrode 8 are connect with power supply 1.
In the present embodiment, anode electrode 9 and negative electrode 8 are arranged in the level-one cavity 5 of the pump housing 10, and anode electricity
Pole 9 and negative electrode 8 are oppositely arranged, and are provided with certain gap between the two, give anode electrode 9 and negative electricity by power supply 1
Pole 8 powers.
After anode electrode 9 and negative electrode 8 are powered, biggish heat is generated between anode electrode 9 and negative electrode 8
Amount, which can heat the liquid in the gap between anode electrode 9 and negative electrode 8, so that liquid evaporation, forms
Steam, and then generate Cavitation effect.
And when steam expansion, it condenses to the cold, can contraction change be again liquid.
In preferred embodiments of the present invention, power supply 1 be arranged outside the pump housing 10, by connecting line respectively with anode electrode 9
It is connected with negative electrode 8.
For the safety for guaranteeing power supply 1, in the present embodiment, power supply 1 is arranged outside the pump housing 10, passes through positive lead 2
Power supply 1 is connect with anode electrode 9, is connect power supply 1 with negative electrode 8 by negative lead 3, and 2 He of positive lead
Negative lead 3 needs to be connected and sealed when passing through the pump housing 10, will not be connected along anode with the liquid guaranteed in the pump housing 10
Line 2 and negative lead 3 flow out, and then ensure that the sealing performance of the pump housing 10.
In preferred embodiments of the present invention, the width in the gap between anode electrode 9 and negative electrode 8 is 0.01mm-
10mm。
When the width between anode electrode 9 and negative electrode 8 is too big, between the shortage of heat that generates with by liquid gas
Change, cannot also form bubble;When the width between anode electrode 9 and negative electrode 8 is too small, may send out between the two
Raw short circuit, damages electrode.
In view of the foregoing, in the present embodiment, by test of many times, between determining between anode electrode 9 and negative electrode 8
The width of gap is optimum width in 0.01mm-10mm.
In preferred embodiments of the present invention, the axis of the pump housing 10 passes through gap.
That is, anode electrode 9 and negative electrode 8 are symmetrical arranged, it is separately positioned on the axis opposite sides of the pump housing 10,
And then under the action of anode electrode 9 and negative electrode 8, the bubble of generation is appeared on the axis of the pump housing 10, so that vacuole
Effect maximizes.
In preferred embodiments of the present invention, power supply 1 is the pulse power.
By setting the pulse power for power supply 1, so that vacuole generator can be spaced generation, that is, exist when generating bubble
After the process come into being, develop, to crumble and fall for having a complete bubble, then second of bubble is generated, with guarantee can in the pump housing 10
It realizes the cyclic process of pressurization, decompression, is entered the liquid outside the pump housing 10 in the pump housing 10 from entrance with realizing, then from outlet
Discharge.
In preferred embodiments of the present invention, power supply 1 is adjustable DC power supply.
By the adjusting of the voltage to power supply 1, it can be realized and different liquids are generated with different temperature, and then guarantee gas
The generation of bubble.
Specifically, in the present embodiment, voltage range is 500V~2000V, selected with specific reference to the demand of flow.
The beneficial effect of the embodiment of the present invention is:
Bubble is manufactured in the pump housing 10 by vacuole generator, the first check valve 4 is arranged by the entrance in the pump housing 10,
Second one-way valve 7 is arranged in the outlet of the pump housing 10, so that liquid can only enter the pump housing 10 from entrance, also the pump housing can only be discharged from outlet
10.In vacuole explosion time, the inside of the pump housing 10 generates larger pressure, and then liquid is discharged from the outlet of the pump housing 10, works as bubble
After explosion, the inside of the pump housing 10 generates biggish negative pressure due to the discharge of liquid and crumbling and fall for bubble, and the pump housing 10 can lead to
It crosses entrance and sucks liquid from outside, and then realize and provide mobile power to the liquid in the pump housing 10 by vacuole generator, be not required to
Rotary part is wanted, ensure that the leakproofness and stability of pump.
Bladeless pump structure of the invention is simple, compact, safe, reliable, efficient, energy saving, passes through vacuole row eccentric in pipe
Liquid conveying is completed for jet stream in caused pipe, due to conveying using the liquid of no impeller form, the portions such as do not rotate, move
Part, therefore the present invention has many advantages, such as that simple structure, easy making process, maintenance cost are low, high-efficient.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of bladeless pump, which is characterized in that including vacuole generator and the pump housing;
The vacuole generator is arranged on the pump housing, generates vacuole in the pump housing for making;
The entrance of the pump housing is provided with the first check valve, can only enter in the pump housing for controlling liquid;
The outlet of the pump housing is provided with second one-way valve, can only be discharged out of described the pump housing for controlling liquid.
2. bladeless pump according to claim 1, which is characterized in that the pump housing includes level-one cavity and secondary cavity;
The level-one cavity and the secondary cavity are arranged in series.
3. bladeless pump according to claim 2, which is characterized in that the level-one cavity and the secondary cavity it is transversal
Area is different.
4. bladeless pump according to claim 2, which is characterized in that the pump housing further includes three-level cavity;
The level-one cavity, the secondary cavity and the three-level cavity are sequentially connected in series setting.
5. bladeless pump according to claim 1-4, which is characterized in that the vacuole generator include power supply,
Anode electrode and negative electrode;
The anode electrode and the negative electrode are arranged in the pump housing;
The anode electrode and the negative electrode are oppositely arranged, and are provided between the anode electrode and the negative electrode
Gap;
The anode electrode and the negative electrode are connect with the power supply.
6. bladeless pump according to claim 5, which is characterized in that the power supply is arranged outside the pump housing, passes through company
Wiring is connect with the anode electrode and the negative electrode respectively.
7. bladeless pump according to claim 5, which is characterized in that between the anode electrode and the negative electrode
The width in the gap is 0.01mm-10mm.
8. bladeless pump according to claim 5, which is characterized in that the axis of the pump housing passes through the gap.
9. bladeless pump according to claim 5, which is characterized in that the power supply is the pulse power.
10. bladeless pump according to claim 5, which is characterized in that the power supply is adjustable DC power supply.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910748689.9A CN110374837A (en) | 2019-08-14 | 2019-08-14 | Bladeless pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910748689.9A CN110374837A (en) | 2019-08-14 | 2019-08-14 | Bladeless pump |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110374837A true CN110374837A (en) | 2019-10-25 |
Family
ID=68259411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910748689.9A Pending CN110374837A (en) | 2019-08-14 | 2019-08-14 | Bladeless pump |
Country Status (1)
Country | Link |
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CN (1) | CN110374837A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4792283A (en) * | 1986-06-23 | 1988-12-20 | Kenji Okayasu | Heat-driven pump |
US20010010799A1 (en) * | 1999-07-07 | 2001-08-02 | Andrea Prosperetti | Bubble-based micropump |
CN103742384A (en) * | 2014-01-15 | 2014-04-23 | 苟仲武 | Micro-pulse type liquid pump |
CN106194639A (en) * | 2016-07-12 | 2016-12-07 | 上海理工大学 | A kind of multitube tapering type variable cross-section airlift pump |
CN210422913U (en) * | 2019-08-14 | 2020-04-28 | 清华大学 | Impeller-free pump |
-
2019
- 2019-08-14 CN CN201910748689.9A patent/CN110374837A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4792283A (en) * | 1986-06-23 | 1988-12-20 | Kenji Okayasu | Heat-driven pump |
US20010010799A1 (en) * | 1999-07-07 | 2001-08-02 | Andrea Prosperetti | Bubble-based micropump |
CN103742384A (en) * | 2014-01-15 | 2014-04-23 | 苟仲武 | Micro-pulse type liquid pump |
CN106194639A (en) * | 2016-07-12 | 2016-12-07 | 上海理工大学 | A kind of multitube tapering type variable cross-section airlift pump |
CN210422913U (en) * | 2019-08-14 | 2020-04-28 | 清华大学 | Impeller-free pump |
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